// Test file for lexical analysis
int main() {
    const int x = 42;
    int arr[10];
    
    if (x >= 0 && x != 100) {
        while (x > 0) {
            x = x - 1;
        }
    } else {
        return -1;
    }
    
    /* Multi-line comment
       for testing */
    return 0;
}